Data as of Nov 10, 2026

40.183.78.0/24

No anonymizer space · no proxy exits in 30 days

Cablevision Lightpath LLC · space held by Eli Lilly and Company

Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
IPv4 market

Path

1 · Holder
record created Apr 23, 1991 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
3 · Announced by
AS54004 Cablevision Lightpath LLC
since Jun 2024 · 2.4 yr ago
4 · Use
Unknown

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

40.183.78.0/24

From the registry to its use

  1. Apr 23, 1991
    Registry record
    Eli Lilly and Company
    Direct Allocation (legacy, pre-1997)
    40.183.0.0/16
  2. Jun 10, 2024– today
    Announced
    AS54004 Cablevision Lightpath LLC
    Internet provider
  3. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    40.183.0.0/16
  4. Feb 7, 2025
    Assigned
    Internet Utilities NA LLC
    Reassigned
    40.183.78.0/24
  5. today
    Leased from
    IPXO
    IP broker

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
40.183.0.0/1665,536LILLY-NETEli Lilly and Company (EL-1144-Z) · USDirect AllocationApr 23, 1991tkalis@lilly.com
└ 40.183.0.0/1665,536IPXOIPXO LLC (IL-845) · USReallocatedDec 9, 2022abuse@ipxo.com
└ 40.183.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025report@abuseradar.com
└ 40.183.78.0/24256NET-40-183-78-0-24unknownReassignedFeb 7, 2025report@abuseradar.com
via LILLY-NET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jun 2024
Current origin since
Jun 2024 · 2.4 yr
Origin networks
1